Martin-Green is the first African-American woman to lead a Star Trek series. She joins a cast that already includes Michelle Yeoh, Doug Jones, Chris Obi, Shazad Latif, Mary Chieffo and Anthony Rapp in the 13-episode CBS All Access series. CBS declined to comment on the casting report.

So, where have you seen her before?

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The Good WifeMartin-Green played Courtney, the shared assistant of Alicia Florrick (Julianna Margulies) and Cary Agos (Matt Czuchry) in eight episodes of the show's first and second seasons. She was often caught in the middle of the power struggles Alicia and Cary found themselves in while they competed for the junior associate spot and Alicia wondered if she could trust her.

Army WivesMartin-Green did three episodes of Army Wives as Kanessa Jones, a young woman in search of a better life.

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Once Upon a TimeAfter The Walking Dead season three, Martin-Green recurred on OUAT season two for seven episodes as Tamara, a woman working with Peter Pan. She was made to think magic was evil and it (along with Storybrooke) needed to be wiped out. She returned for one episode in season three.

NYC 22CBS's short-lived drama about rookie police officers featured Martin-Green as Michelle Terry. She appeared opposite Adam Goldberg, Stark Sands and Leelee Sobieski in the series.

Martin-Green's other TV credits include Gossip Girl, Law & Order: Criminal Intent and New Girl.